Compulsory subjects
The self-employed worker him/herself is directly responsible for complying with the obligation to apply for his/her affiliation. The self-employed worker shall have the same subsidiary responsibility regarding his/her collaborating relatives.
Regular Joint Companies, Limited Partnership Companies, and Associated Work Co-operatives shall have the same subsidiary responsibility regarding their associates.
Automatically by the Treasury General of the Social Security when, as a result of actions by the Labour and Social Security Inspection, data in the possession of the Social Security management bodies and common services, or by any other means, non-compliance with the obligation to apply for affiliation on the part of workers subject to said obligation is verified.